import java.util.Locale;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: wwy
 * Date: 2024-11-20
 * Time: 20:39
 */
public class Lower {
    public static void main(String[] args) {
        String s="QWDsfsd";
        System.out.println(s.toLowerCase());
    }
}
